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Urine Flow Acceleration Is Superior to Qmax in Diagnosing BOO in Patients with BPH 被引量:3
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作者 文建国 崔林刚 +5 位作者 李一冬 尚小平 朱文 张瑞莉 孟庆军 张胜军 《Journal of Huazhong University of Science and Technology(Medical Sciences)》 SCIE CAS 2013年第4期563-566,共4页
Summary: We performed a retrospective, case-control study to evaluate whether the urine flow acceleration (UFA, mL/s2) is superior to maximum uroflow (Qmax, mL/s) in diagnosing bladder outlet obstruction (BOO) ... Summary: We performed a retrospective, case-control study to evaluate whether the urine flow acceleration (UFA, mL/s2) is superior to maximum uroflow (Qmax, mL/s) in diagnosing bladder outlet obstruction (BOO) in patients with benign prostatic hyperplasia (BPH). In this study, a total of 50 men with BPH (age: 58±12.5 years) and 50 controls (age: 59±13.0 years) were included. A pressure-flow study was used to determine the presence of BOO according to the recommendations of Incontinence Control Society (ICS). The results showed that the UFA and Qmax in BPH group were much lower than those in the control group [(2.05±0.85) vs. (4.60±1.25) mL/s2 and (8.50±1.05) vs. (13.00±3.35) mL/s] (P〈0.001). Accol;ding to the criteria (UFA〈2.05 mL/s2, Qmax〈10 mL/s), the sensitivity and specificity of UFA vs. Qmax in diagnosing BOO were 88%, 75% vs. 81%, 63%. UFA vs. Omax, when compared with the results of P-Q chart (the kappa values in corresponding analysis), was 0.55 vs. 0.35. The pros- tate volume, post void residual and detrusor pressure at Qmax between the two groups were 28.6±9.8 vs. 24.2±7.6 mL, 60.4±1.4 vs. 21.3±2.5 mL and 56.6±8.3 vs. 21.7±6.1 cmHzO, respectively (P〈0.05). It was concluded that the UFA is a useful urodynamic parameter, and is superior to Qmax in diagnosing BOO in patients with BPH. 展开更多
关键词 benign prostate hyperplasia (BPH) bladder outlet obstruction (BOO) urine flow accelera-tion (UFA) Qmax P-Q chart
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Lateral Flow Immunoassay for Quantitative Detection of Ractopamine in Swine Urine 被引量:3
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作者 REN Mei Ling CHEN Xue Lan +4 位作者 LI Chao Hui XU Bo LIU Wen Juan XU Heng Yi XIONG Yong Hua 《Biomedical and Environmental Sciences》 SCIE CAS CSCD 2014年第2期134-137,共4页
A strip reader based lateral flow immunoassay (LFIA) was established for the rapid and quantitative detection of ractopamine (RAC) in swine urine. The ratio of the optical densities (ODs) of the test line (AT)... A strip reader based lateral flow immunoassay (LFIA) was established for the rapid and quantitative detection of ractopamine (RAC) in swine urine. The ratio of the optical densities (ODs) of the test line (AT) to that of the control line (Ac) was used to effectively minimize interference among strips and sample variations. The linear range for the quantitative detection of RAC was 0.2 ng/mL to 3.5 ng/mL with a median inhibitory concentration (IC50) of 0.59+0.06 ng/mL. The limit of detection (LOD) of the LFIA was 0.13 ng/mL. The intra-assay recovery rates were 92.97%, 97.25%, and 107.41%, whereas the inter-assay rates were 80.07%, 108.17%, and 93.7%, respectively. 展开更多
关键词 RAC Lateral flow Immunoassay for Quantitative Detection of Ractopamine in Swine urine FIGURE AT
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